99513240 has 64 divisors (see below), whose sum is σ = 316107360. Its totient is φ = 24975360.

The previous prime is 99513229. The next prime is 99513251. The reversal of 99513240 is 4231599.

It is an interprime number because it is at equal distance from previous prime (99513229) and next prime (99513251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22351 + ... + 26430.

Almost surely, 2^99513240 is an apocalyptic number.

It is an amenable number.

99513240 is an abundant number, since it is smaller than the sum of its proper divisors (216594120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99513240 is a wasteful number, since it uses less digits than its factorization.

99513240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48812 (or 48808 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 99513240 is about 9975.6323107861. The cubic root of 99513240 is about 463.4045448345.

The spelling of 99513240 in words is "ninety-nine million, five hundred thirteen thousand, two hundred forty".